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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2017-05-16 15:26:12 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2017-06-03 10:52:31 +0100 |
| commit | 1454e15bc28ba94aa5d6b31a83a42d5c03af2a6d (patch) | |
| tree | d43e49ed59da745c4b01a61597c5a4584d1a287d /drivers/iio | |
| parent | 948588e25b8af5e66962ed3f53e1cae1656fa5af (diff) | |
| download | linux-1454e15bc28ba94aa5d6b31a83a42d5c03af2a6d.tar.gz linux-1454e15bc28ba94aa5d6b31a83a42d5c03af2a6d.tar.bz2 linux-1454e15bc28ba94aa5d6b31a83a42d5c03af2a6d.zip | |
iio: adc: mxs-lradc: Fix return value check in mxs_lradc_adc_probe()
In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test. Also add NULL test for iores.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/mxs-lradc-adc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index b0c7d8ee5cb8..6888167ca1e6 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -718,9 +718,12 @@ static int mxs_lradc_adc_probe(struct platform_device *pdev) adc->dev = dev; iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -EINVAL; + adc->base = devm_ioremap(dev, iores->start, resource_size(iores)); - if (IS_ERR(adc->base)) - return PTR_ERR(adc->base); + if (!adc->base) + return -ENOMEM; init_completion(&adc->completion); spin_lock_init(&adc->lock); |